When you are on the move, you can easily secure your Internet connection by setting up an SSH tunnel, provided you have a remote SSH server to connect to. But what if you are using an Android device when you are out and about? ConnectBot has got you covered.

Despite its name, the Hacker's Keyboard Android app is not limited to hackers and coders. This keyboard replacement replicates the regular keyboard layout, so it is perfectly suited for users who depend on the arrow, punctuation, Tab, Ctrl, and Esc keys in their daily computing.

Zotero is a genuinely useful tool for research and archiving. It runs on different platforms, and thanks to its built-in synchronization feature, you can keep Zotero data in sync across multiple machines. And now you can view and edit Zotero items on your Android device, courtesy of the Zandy app.

Using an Android device without a decent file manager is like eating soup with a fork. Fortunately, there are several excellent file managers available on the Android Market: from the simple OI File Manager to the more advanced File Expert. And if you prefer the efficiency of a two-pane file manager, then Ghost Commander is right up your alley.